(19)
(11) EP 3 613 625 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
25.03.2020 Bulletin 2020/13

(43) Date of publication A2:
26.02.2020 Bulletin 2020/09

(21) Application number: 19181302.1

(22) Date of filing: 28.01.2015
(51) International Patent Classification (IPC): 
B60L 7/14(2006.01)
B60L 58/20(2019.01)
B60L 50/51(2019.01)
B60L 15/00(2006.01)
B60L 15/20(2006.01)
B60R 16/04(2006.01)
 B60L 58/21(2019.01)
B60L 58/18(2019.01)
B60L 50/40(2019.01)
B60L 50/16(2019.01)
B60R 16/02(2006.01)
H05K 13/00(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 30.01.2014 US 201414168224

(62) Application number of the earlier application in accordance with Art. 76 EPC:
15152810.6 / 2913217

(71) Applicant: General Electric Company
Schenectady, NY 12345 (US)

(72) Inventors:
  • KING, Robert Dean
    Niskayuna, NY New York 12309 (US)
  • LI, Zhihao
    Niskayuna, 123009 (US)

(74) Representative: Dennemeyer & Associates S.A. 
Postfach 70 04 25
81304 München
81304 München (DE)

   


(54) VEHICLE PROPULSION SYSTEM WITH MULTI-CHANNEL DC BUS AND METHOD OF MANUFACTURING SAME


(57) An apparatus includes a multi-channel DC bus assembly comprising a first channel 14 and a second channel 20, a first electromechanical device 74 coupled to a positive DC link 18 of the first channel 14, and a second electromechanical device 82 coupled to a positive DC link 24 of the second channel 20. A first DC-to-AC voltage inverter 48 is coupled to the positive DC link 18 of the first channel 14 and a second DC-to-AC voltage inverter 50 is coupled to the positive DC link 18 of the second channel 20. The apparatus further includes a bi-directional voltage modification assembly coupled to the positive DC link 24 of the second channel 20 and a first energy storage system electrically coupled to the first electromechanical device.







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